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A monoclinic polymorph of 3-amino-4′-(N,N-diethyl­amino)-5-methyl­bi­phenyl-2,4-dicarbo­nitrile

✍ Scribed by Subbiah Pandi, A. ;Velmurugan, D. ;Shanmuga Sundara Raj, S. ;Fun, Hoong-Kun ;Raghukumar, V.

Publisher
International Union of Crystallography
Year
2002
Tongue
English
Weight
177 KB
Volume
58
Category
Article
ISSN
1600-5368

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The S atom of the sulfonyl group in the title compound, C~20~H~24~Cl~2~N~2~O~3~S, has a distorted tetrahedral geometry. Two intermolecular N—H...O hydrogen bonds between the amino groups and the carbonyl groups link the molecules into a centrosymmetric dimer.

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Single-crystal X-ray study T = 213 K Mean '(C±C) = 0.005 A Ê R factor = 0.062 wR factor = 0.181 Data-to-parameter ratio = 12.8 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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2-Amino-7-methyl-4-(3,4-methyl­ene­dioxy­phenyl)-5-oxo­pyrano­[3,2-c]­pyran-3-carbo­nitrile N,N-di­methyl­form­amide solvate
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Single-crystal X-ray study T = 193 K Mean '(C±C) = 0.002 A Ê R factor = 0.039 wR factor = 0.102 Data-to-parameter ratio = 12.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.